CVE-2021-41451

Name: CVE-2021-41451
Creator: NVD / NIST
Published: 2021-12-17T15:15:07.493+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.23%

Last modified Jun 17, 2026

CVE-2021-41451 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A misconfiguration in HTTP/1.0 and HTTP/1.1 of the web interface in TP-Link AX10v1 before V1_211117 allows a remote unauthenticated attacker to send a specially crafted HTTP request and receive a misconfigured HTTP/0.9 response, potentially leading into a cache poisoning attack.. EPSS estimates a 3.23% chance of exploitation in the next 30 days.

Description

A misconfiguration in HTTP/1.0 and HTTP/1.1 of the web interface in TP-Link AX10v1 before V1_211117 allows a remote unauthenticated attacker to send a specially crafted HTTP request and receive a misconfigured HTTP/0.9 response, potentially leading into a cache poisoning attack.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.23%

86.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-444

Affected Software

Vendor	Product	Versions
Tp-Link	Archer Ax10 Firmware	< v1_211117

References

http://ax10v1.comNot Applicable, URL Repurposed
http://tp-link.comProduct
https://www.tp-link.com/us/support/download/archer-ax10/v1/#FirmwareProduct
http://ax10v1.comNot Applicable, URL Repurposed
http://tp-link.comProduct
https://www.tp-link.com/us/support/download/archer-ax10/v1/#FirmwareProduct

Timeline

Published: Dec 17, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41451?

How severe is CVE-2021-41451?

CVE-2021-41451 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.23% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41451?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-41451?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST